Indoor unit displays P1 and the system may shut down during operation.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Low mains voltage at Chigo unit, Undersized wiring causing voltage drop, Loose neutral or live connections, Overloaded electrical circuit

Safety first: Electrical measurements should be done by a qualified person.

Step 1 – Measure supply voltage: Confirm that voltage at the unit is within the range specified on the nameplate.
Step 2 – Check wiring size: Ensure the supply cable gauge meets Chigo installation requirements for the unit's current draw.
Step 3 – Tighten connections: With power off, tighten all terminal screws and check for burnt insulation.
Step 4 – Reduce load: Avoid running other heavy appliances on the same circuit.

Medium 3/5